Far 1.7.1634 hangs with Winscp 1.51

Far 1.7.1634 hangs when far-editor save any file (or scroll down file) and SCP-session is opened by Winscp 1.51.
Bug is stable.

terabit@inbox.ru

More precise: Far is hanging only when I try to exit from editor (press Escape).

It is bug in FAR 1.7 beta. Please upgrade.